| ISIN | International Securities Identification Number 
| Others |
| ISIN | International Securities Identification Numbers
| Others |
| ISIN | International Securities Identifier Number
| Others |
| ISIN | International Security Identification Number
| Others |
| ISIN | International Society of Intraoperative Neurophysiology
| Others |
| ISIN | Invasive Species Information Node
| Others |
| ISIN | Irish Software Innovation Network
| Others |
| ISIN | Isininternational Securities Identification Number
| Others |
| ISIN | Istituto sistemi informativi e networking
| Others |